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@STRING{acm = {ACM Press}}

@STRING{acmsurvey = {ACM Computing Surveys}}

@STRING{addison = {Addison Wesley}}

@STRING{ai = {Artificial Intelligence}}

@STRING{altair = {Altair}}

@STRING{apr = {April}}

@STRING{aug = {August}}

@STRING{aw = {Addison-Wesley}}

@STRING{bda = {Proceedings of the French conference on Databases: Bases de Donn\'ees
	Avanc\'ees}}

@STRING{bncod = {Proceedings of the British National Conference on Databases}}

@STRING{cacm = {Communications of the ACM}}

@STRING{caise = {Proceedings of the International Conference Advanced Information
	Systems Engineering (CAISE)}}

@STRING{cj = {The Computer Journal}}

@STRING{compsurv = {ACM Computing Surveys}}

@STRING{cup = {Cambridge University Press}}

@STRING{dataeng = {Proc. IEEE Intl. Conf. on Data Engineering}}

@STRING{dbpl = {Proceedings of the International Workshop on Database Programming
	Languages}}

@STRING{dec = {December}}

@STRING{dexa = {Proc. of the Intl. Conf. on Data and Expert Systems Applications
	(DEXA)}}

@STRING{dood = {Proceedings of the International Conference on Deductive and Object-Oriented
	Databases}}

@STRING{ecai = {European Conf. on Artificial Intelligence}}

@STRING{ecoop = {European Conference on Object-Oriented Programming}}

@STRING{edbt = {Proceedings of the International Conference on Extending Database
	Technology}}

@STRING{feb = {February}}

@STRING{gu = {Department of Computing Science, University of Glasgow}}

@STRING{icde = {Proceedings of the International Conference on Data Engineering}}

@STRING{icdt = {Proceedings of the International Conference on Database Theory}}

@STRING{ieee = {IEEE Press}}

@STRING{ieeede = {Proceedings of the IEEE Data Engineering Conference}}

@STRING{ieeetkde = {IEEE Transactions on Knowledge and Data Engineering}}

@STRING{ifp = {Information Processing Letters}}

@STRING{ijcai = {Intl. Joint Conf. on Artificial Intelligence}}

@STRING{ijcis = {International Journal of Cooperative Information Systems (IJCIS)}}

@STRING{infcont = {Information and Control}}

@STRING{is = {Information Systems}}

@STRING{italiano = {In italian.}}

@STRING{jacm = {J. ACM}}

@STRING{jan = {January}}

@STRING{jcss = {Journal of Computer and System Sciences}}

@STRING{jul = {July}}

@STRING{jun = {June}}

@STRING{lncs = {Lecture Notes in Computer Science}}

@STRING{lnia = {Lecture Notes in Artificial Intelligence}}

@STRING{mar = {March}}

@STRING{may = {May}}

@STRING{mit = {MIT Press}}

@STRING{mk = {Morgan Kaufmann}}

@STRING{nov = {November}}

@STRING{oct = {October}}

@STRING{oopsla = {Proceedings of the Conference on Object-Oriented Programming Systems,
	Languages, and Applications}}

@STRING{oup = {Oxford University Press}}

@STRING{ph = {Prentice-Hall}}

@STRING{pods = {Proceedings of the Principles of Database Systems}}

@STRING{popl = {Proc. ACM Symp. on Principles of Programming Languages}}

@STRING{second = {Second}}

@STRING{sep = {September}}

@STRING{sigmod = {Proceedings of the ACM SIGMOD International Conference on Management
	of Data}}

@STRING{stoc = {Proc. ACM SIGACT Symp. on the Theory of Computing}}

@STRING{sv = {Springer-Verlag}}

@STRING{tcs = {Theoretical Computer Science}}

@STRING{third = {Third}}

@STRING{tods = {ACM Transactions on Database Systems}}

@STRING{tois = {ACM Transactions on Office Information Systems}}

@STRING{toois = {ACM Trans. on Office Information Systems}}

@STRING{vldb = {Proceedings of the Conference on Very Large Data Bases}}

@STRING{wics = {Workshops in Computing Series}}

@STRING{woods = {Proceedings of the International Workshop on Object-Oriented Database
	Systems}}

@INPROCEEDINGS{Magdy2010,
  author = {Walid Magdy and Gareth J. F. Jones},
  title = {Applying the KISS Principle for the CLEF- IP 2010 Prior Art Candidate
	Patent Search Task},
  booktitle = {CLEF (Notebook Papers/LABs/Workshops)},
  year = {2010},
  bibsource = {DBLP, http://dblp.uni-trier.de},
  crossref = {DBLP:conf/clef/2010w},
  ee = {http://clef2010.org/resources/proceedings/clef2010labs_submission_60.pdf}
}

@INPROCEEDINGS{Piroi2010,
  author = {Piroi, Florina},
  title = {CLEF-IP 2010: Retrieval Experiments in the Intellectual Property
	Domain.},
  booktitle = {CLEF (Notebook Papers/LABs/Workshops)},
  year = {2010},
  editor = {Braschler, Martin and Harman, Donna and Pianta, Emanuele},
  added-at = {2010-12-16T11:18:47.000+0100},
  biburl = {http://www.bibsonomy.org/bibtex/2902fb984ffdf5828662e199ab1117b38/promisenoe},
  crossref = {conf/clef/2010w},
  ee = {http://clef2010.org/resources/proceedings/clef2010labs_submission_122.pdf},
  interhash = {ec3f0c3a19807ce81ae11da39fe19d7d},
  intrahash = {902fb984ffdf5828662e199ab1117b38},
  isbn = {978-88-904810-0-0},
  keywords = {dblp},
  timestamp = {2010-12-16T11:18:47.000+0100},
  url = {http://dblp.uni-trier.de/db/conf/clef/clef2010w.html#Piroi10}
}

@INPROCEEDINGS{Adams2011,
  author = {Adams, Stephen},
  title = {A practitioner's view on PaIR},
  booktitle = {Proceedings of the 4th workshop on PaIR},
  year = {2011},
  acmid = {2064987},
  doi = {10.1145/2064975.2064987},
  isbn = {978-1-4503-0955-4},
  keywords = {patent retrieval},
  location = {Glasgow, Scotland, UK},
  numpages = {2},
  url = {http://doi.acm.org/10.1145/2064975.2064987}
}

@INPROCEEDINGS{Andersson2013,
  author = {Andersson, Linda and Mahdabi, Parvaz and Hanbury, Allan and Rauber,
	Andreas},
  title = {Exploring patent passage retrieval using nouns phrases},
  booktitle = {Proceedings of the 35th European conference on Advances in Information
	Retrieval},
  year = {2013},
  series = {ECIR'13},
  pages = {676--679},
  address = {Berlin, Heidelberg},
  publisher = {Springer-Verlag},
  acmid = {2458251},
  doi = {10.1007/978-3-642-36973-5_58},
  isbn = {978-3-642-36972-8},
  keywords = {natural language processing, passage retrieval, patent search},
  location = {Moscow, Russia},
  numpages = {4},
  url = {http://dx.doi.org/10.1007/978-3-642-36973-5_58}
}

@INPROCEEDINGS{Azzopardi2010,
  author = {Azzopardi, Leif and Vanderbauwhede, Wim and Joho, Hideo},
  title = {Search system requirements of patent analysts},
  booktitle = {SIGIR},
  year = {2010},
  acmid = {1835610},
  doi = {10.1145/1835449.1835610},
  isbn = {978-1-4503-0153-4},
  keywords = {patent analysts, patent engineers, patent search, user study},
  location = {Geneva, Switzerland},
  numpages = {2},
  url = {http://doi.acm.org/10.1145/1835449.1835610}
}

@BOOK{Baeza-Yates2010,
  title = {Modern Information Retrieval},
  publisher = {Addison-Wesley Publishing Company},
  year = {2010},
  author = {Baeza-Yates, Ricardo and Ribeiro-Neto, Berthier},
  address = {USA},
  edition = {2nd},
  date-added = {2013-09-11 01:41:47 +0000},
  date-modified = {2013-09-11 02:17:30 +0000},
  isbn = {0321416910, 9780321416919},
  rating = {5}
}

@INPROCEEDINGS{Bashir2010,
  author = {Bashir, Shariq and Rauber, Andreas},
  title = {Improving retrievability of patents in prior-art search},
  booktitle = {ECIR},
  year = {2010},
  acmid = {2128394},
  doi = {10.1007/978-3-642-12275-0_40},
  isbn = {3-642-12274-4, 978-3-642-12274-3},
  location = {Milton Keynes, UK},
  numpages = {14},
  url = {http://dx.doi.org/10.1007/978-3-642-12275-0_40}
}

@INPROCEEDINGS{Carbonell1998,
  author = {Carbonell, Jaime and Goldstein, Jade},
  title = {The Use of MMR, Diversity-based Reranking for Reordering Documents
	and Producing Summaries},
  booktitle = {SIGIR},
  year = {1998},
  acmid = {291025},
  doi = {10.1145/290941.291025},
  isbn = {1-58113-015-5},
  location = {Melbourne, Australia},
  numpages = {2},
  owner = {rbouadjenek},
  timestamp = {2014.02.13},
  url = {http://doi.acm.org/10.1145/290941.291025}
}

@INPROCEEDINGS{Clinchant2010,
  author = {Clinchant, St{\'e}phane and Gaussier, Eric},
  title = {Information-based models for ad hoc IR},
  booktitle = {Proceedings of the 33rd international ACM SIGIR conference on Research
	and development in information retrieval},
  year = {2010},
  series = {SIGIR '10},
  pages = {234--241},
  address = {New York, NY, USA},
  publisher = {ACM},
  acmid = {1835490},
  doi = {10.1145/1835449.1835490},
  isbn = {978-1-4503-0153-4},
  keywords = {burstiness, information-based models, log-logistic, power laws, pseudo-relevance
	feedback, retrieval constraints},
  location = {Geneva, Switzerland},
  numpages = {8},
  url = {http://doi.acm.org/10.1145/1835449.1835490}
}

@ARTICLE{Efthimiadis1996,
  author = {Efthimis N. Efthimiadis},
  title = {Query Expansion},
  journal = {Annual Review of Inf. Systems and Technology ({ARIST})},
  year = {1996},
  volume = {31},
  pages = {121--187},
  editor = {Martha E. Williams}
}

@ARTICLE{Fujii2005,
  author = {Atsushi Fujii and Fujii, Atsushi and Iwayama, Makoto and K, Noriko},
  title = {Overview of patent retrieval task at NTCIR-5},
  journal = {IN PROCEEDINGS OF THE FIFTH NTCIR WORKSHOP MEETING ON EVALUATION
	OF INFORMATION ACCESS TECHNOLOGIES: INFORMATION RETRIEVAL, QUESTION
	ANSWERING AND CROSS-LINGUAL INFORMATION ACCESS},
  year = {2005},
  pages = {269--277},
  bdsk-url-1 = {http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.192.2609},
  date-added = {2013-09-11 02:17:41 +0000},
  date-modified = {2013-09-11 02:17:54 +0000},
  doi = {10.1.1.192.2609}
}

@INPROCEEDINGS{Ganguly2011,
  author = {Ganguly, Debasis and Leveling, Johannes and Magdy, Walid and Jones,
	Gareth J.F.},
  title = {Patent query reduction using pseudo relevance feedback},
  booktitle = {CIKM},
  year = {2011},
  acmid = {2063863},
  doi = {10.1145/2063576.2063863},
  isbn = {978-1-4503-0717-8},
  keywords = {patent search, pseudo-relevance feedback, query reduction},
  location = {Glasgow, Scotland, UK},
  numpages = {4},
  url = {http://doi.acm.org/10.1145/2063576.2063863}
}

@INPROCEEDINGS{Graf2008,
  author = {E. Graf and L. Azzopardi},
  title = {A methodology for building a patent test collection for prior art
	search},
  booktitle = {The Second International Workshop on Evaluating Information Access
	(EVIA)},
  year = {2008},
  abstract = {This paper proposes a methodology for the construction of a patent
	test collection for the task of prior art search. Key to the justification
	of the methodology is an analysis of the nature and structure of
	patent documents and the patenting process. These factors enable
	a corpus of patent documents to be reverse engineered in order to
	arrive at high quality, realistic, relevance assessments. The paper
	first outlines the case for such a prior art search test collection
	along with the characteristics of patent documents, before describing
	the proposed method. Further research and development will be directed
	towards the application of this methodology to create a suite of
	prior art search topics for the evaluation of patent retrieval systems.
	We also include a preliminary analysis of its application on European
	patents.},
  url = {http://eprints.gla.ac.uk/34682/}
}

@INPROCEEDINGS{Hasan2009,
  author = {Hasan, Mohammad Al and Spangler, W. Scott and Griffin, Thomas and
	Alba, Alfredo},
  title = {COA: finding novel patents through text analysis},
  booktitle = {Proceedings of the 15th ACM SIGKDD international conference on Knowledge
	discovery and data mining},
  year = {2009},
  series = {KDD '09},
  pages = {1175--1184},
  address = {New York, NY, USA},
  publisher = {ACM},
  acmid = {1557146},
  doi = {10.1145/1557019.1557146},
  isbn = {978-1-60558-495-9},
  keywords = {document ranking, information retrieval, patent processing, patent
	visualization},
  location = {Paris, France},
  numpages = {10},
  url = {http://doi.acm.org/10.1145/1557019.1557146}
}

@INPROCEEDINGS{Hu2012,
  author = {Hu, Po and Huang, Minlie and Xu, Peng and Li, Weichang and Usadi,
	Adam K. and Zhu, Xiaoyan},
  title = {Finding nuggets in IP portfolios: core patent mining through textual
	temporal analysis},
  booktitle = {Proceedings of the 21st ACM international conference on Information
	and knowledge management},
  year = {2012},
  series = {CIKM '12},
  pages = {1819--1823},
  address = {New York, NY, USA},
  publisher = {ACM},
  acmid = {2398524},
  doi = {10.1145/2396761.2398524},
  isbn = {978-1-4503-1156-4},
  keywords = {core patent mining, patent influence, patent novelty, textual temporal
	analysis},
  location = {Maui, Hawaii, USA},
  numpages = {5},
  url = {http://doi.acm.org/10.1145/2396761.2398524}
}

@ARTICLE{Itoh2004,
  author = {Hideo Itoh},
  title = {NTCIR-4 Patent Retrieval Experiments at RICOH},
  journal = {NTCIR-4},
  year = {2004},
  owner = {rbouadjenek},
  timestamp = {2014.02.14}
}

@INPROCEEDINGS{Itoh2003,
  author = {Itoh, Hideo and Mano, Hiroko and Ogawa, Yasushi},
  title = {Term distillation in patent retrieval},
  booktitle = {Proceedings of the ACL-2003 workshop on Patent corpus processing
	- Volume 20},
  year = {2003},
  acmid = {1119308},
  doi = {10.3115/1119303.1119308},
  location = {Sapporo, Japan},
  numpages = {5},
  url = {http://dx.doi.org/10.3115/1119303.1119308}
}

@INPROCEEDINGS{Kim2011,
  author = {Kim, Youngho and Seo, Jangwon and Croft, W. Bruce},
  title = {Automatic boolean query suggestion for professional search},
  booktitle = {SIGIR},
  year = {2011},
  acmid = {2010026},
  doi = {10.1145/2009916.2010026},
  isbn = {978-1-4503-0757-4},
  keywords = {boolean query suggestion, patentability search, prior-art search},
  location = {Beijing, China},
  numpages = {10},
  url = {http://doi.acm.org/10.1145/2009916.2010026}
}

@INPROCEEDINGS{Kumaran2009,
  author = {Kumaran, Giridhar and Carvalho, Vitor R.},
  title = {Reducing Long Queries Using Query Quality Predictors},
  booktitle = {SIGIR},
  year = {2009},
  series = {SIGIR '09},
  pages = {564--571},
  address = {New York, NY, USA},
  publisher = {ACM},
  acmid = {1572038},
  doi = {10.1145/1571941.1572038},
  isbn = {978-1-60558-483-6},
  keywords = {long queries, query quality, query reduction, verbose queries},
  location = {Boston, MA, USA},
  numpages = {8},
  url = {http://doi.acm.org/10.1145/1571941.1572038}
}

@INPROCEEDINGS{Liu2011,
  author = {Liu, Yan and Hseuh, Pei-yun and Lawrence, Rick and Meliksetian, Steve
	and Perlich, Claudia and Veen, Alejandro},
  title = {Latent graphical models for quantifying and predicting patent quality},
  booktitle = {Proceedings of the 17th ACM SIGKDD international conference on Knowledge
	discovery and data mining},
  year = {2011},
  series = {KDD '11},
  pages = {1145--1153},
  address = {New York, NY, USA},
  publisher = {ACM},
  acmid = {2020586},
  doi = {10.1145/2020408.2020586},
  isbn = {978-1-4503-0813-7},
  keywords = {graphical models, measurement models, text mining},
  location = {San Diego, California, USA},
  numpages = {9},
  url = {http://doi.acm.org/10.1145/2020408.2020586}
}

@INPROCEEDINGS{Lopez2009,
  author = {Lopez, Patrice and Romary, Laurent},
  title = {PATATRAS: retrieval model combination and regression models for prior
	art search},
  year = {2009},
  series = {CLEF'09},
  pages = {430--437},
  address = {Berlin, Heidelberg},
  publisher = {Springer-Verlag},
  acmid = {1887426},
  isbn = {3-642-15753-X, 978-3-642-15753-0},
  location = {Corfu, Greece},
  numpages = {8},
  url = {http://dl.acm.org/citation.cfm?id=1887364.1887426}
}

@PHDTHESIS{Magdy2012,
  author = {Walid Magdy},
  title = {{Toward Higher Effectiveness for Recall-Oriented Information Retrieval:
	A Patent Retrieval Case Study}},
  school = {Dublin City University School of Computing},
  year = {2012},
  owner = {rbouadjenek},
  timestamp = {2013.09.24}
}

@INPROCEEDINGS{Magdy2011,
  author = {Magdy, Walid and Jones, Gareth J.F.},
  title = {A study on query expansion methods for patent retrieval},
  booktitle = {PaIR},
  year = {2011},
  acmid = {2064982},
  doi = {10.1145/2064975.2064982},
  isbn = {978-1-4503-0955-4},
  keywords = {patent retrieval, query expansion, synset},
  location = {Glasgow, Scotland, UK},
  numpages = {6},
  url = {http://doi.acm.org/10.1145/2064975.2064982}
}

@INPROCEEDINGS{Magdy2010a,
  author = {Magdy, Walid and Jones, Gareth J.F.},
  title = {{PRES: A Score Metric for Evaluating Recall-oriented Information
	Retrieval Applications}},
  booktitle = {SIGIR},
  year = {2010},
  pages = {611--618},
  address = {New York, NY, USA},
  publisher = {ACM},
  acmid = {1835551},
  doi = {10.1145/1835449.1835551},
  isbn = {978-1-4503-0153-4},
  keywords = {PRES, evaluation metric, patent retrieval, recall-oriented information
	retrieval},
  location = {Geneva, Switzerland},
  numpages = {8},
  url = {http://doi.acm.org/10.1145/1835449.1835551}
}

@INPROCEEDINGS{Mahdabi2012,
  author = {Mahdabi, Parvaz and Andersson, Linda and Keikha, Mostafa and Crestani,
	Fabio},
  title = {Automatic refinement of patent queries using concept importance predictors},
  booktitle = {SIGIR},
  year = {2012},
  pages = {505--514},
  address = {New York, NY, USA},
  publisher = {ACM},
  acmid = {2348353},
  doi = {10.1145/2348283.2348353},
  isbn = {978-1-4503-1472-5},
  keywords = {patent search, query generation, relevance model},
  location = {Portland, Oregon, USA},
  numpages = {10},
  url = {http://doi.acm.org/10.1145/2348283.2348353}
}

@INCOLLECTION{Mahdabi2012a,
  author = {Mahdabi, Parvaz and Crestani, Fabio},
  title = {Learning-Based Pseudo-Relevance Feedback for Patent Retrieval},
  booktitle = {Multidisciplinary Information Retrieval},
  publisher = {Springer Berlin Heidelberg},
  year = {2012},
  editor = {Salampasis, Michail and Larsen, Birger},
  volume = {7356},
  series = {Lecture Notes in Computer Science},
  pages = {1-11},
  doi = {10.1007/978-3-642-31274-8_1},
  isbn = {978-3-642-31273-1},
  keywords = {Patent Retrieval; Pseudo-Relevance Feedback; Query Modeling; Prior-art
	Search},
  url = {http://dx.doi.org/10.1007/978-3-642-31274-8_1}
}

@INPROCEEDINGS{Mahdabi2013,
  author = {Mahdabi, Parvaz and Gerani, Shima and Huang, Jimmy Xiangji and Crestani,
	Fabio},
  title = {Leveraging conceptual lexicon: query disambiguation using proximity
	information for patent retrieval},
  booktitle = {SIGIR},
  year = {2013},
  acmid = {2484056},
  doi = {10.1145/2484028.2484056},
  isbn = {978-1-4503-2034-4},
  keywords = {patent search, proximity information, query expansion},
  location = {Dublin, Ireland},
  numpages = {10},
  url = {http://doi.acm.org/10.1145/2484028.2484056}
}

@INPROCEEDINGS{Mahdabi2011,
  author = {Mahdabi, Parvaz and Keikha, Mostafa and Gerani, Shima and Landoni,
	Monica and Crestani, Fabio},
  title = {Building queries for prior-art search},
  booktitle = {Proceedings of the Second international conference on Multidisciplinary
	information retrieval facility},
  year = {2011},
  series = {IRFC'11},
  pages = {3--15},
  address = {Berlin, Heidelberg},
  publisher = {Springer-Verlag},
  acmid = {2018146},
  isbn = {978-3-642-21352-6},
  location = {Vienna, Austria},
  numpages = {13},
  url = {http://dl.acm.org/citation.cfm?id=2018142.2018146}
}

@BOOK{Manning2008,
  title = {Introduction to Information Retrieval},
  publisher = {Cambridge University Press},
  year = {2008},
  author = {Manning, Christopher D. and Raghavan, Prabhakar and Sch\"{u}tze,
	Hinrich},
  isbn = {0521865719, 9780521865715}
}

@BOOK{McCandless2010,
  title = {Lucene in Action, Second Edition: Covers Apache Lucene 3.0},
  publisher = {Manning Publications Co.},
  year = {2010},
  author = {McCandless, Michael and Hatcher, Erik and Gospodnetic, Otis},
  address = {Greenwich, CT, USA},
  isbn = {1933988177, 9781933988177},
  owner = {rbouadjenek},
  timestamp = {2012.08.07}
}

@INPROCEEDINGS{Meij2009,
  author = {Meij, Edgar and Weerkamp, Wouter and de Rijke, Maarten},
  title = {A query model based on normalized log-likelihood},
  booktitle = {Proceedings of the 18th ACM conference on Information and knowledge
	management},
  year = {2009},
  series = {CIKM '09},
  pages = {1903--1906},
  address = {New York, NY, USA},
  publisher = {ACM},
  acmid = {1646261},
  doi = {10.1145/1645953.1646261},
  isbn = {978-1-60558-512-3},
  keywords = {language modeling, query models, relevance feedback},
  location = {Hong Kong, China},
  numpages = {4},
  url = {http://doi.acm.org/10.1145/1645953.1646261}
}

@INPROCEEDINGS{Piroi2011,
  author = {Florina Piroi and Mihai Lupu and Allan Hanbury and Veronika Zenz},
  title = {CLEF-IP 2011: Retrieval in the Intellectual Property Domain},
  booktitle = {CLEF (Notebook Papers/Labs/Workshop)},
  year = {2011},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@INBOOK{Porter1997,
  pages = {313--316},
  title = {An algorithm for suffix stripping},
  publisher = {Morgan Kaufmann Publishers Inc.},
  year = {1997},
  author = {Porter, M. F.},
  address = {San Francisco, CA, USA},
  acmid = {275705},
  book = {Readings in information retrieval},
  isbn = {1-55860-454-5},
  numpages = {4},
  owner = {rbouadjenek},
  timestamp = {2013.09.18},
  url = {http://portal.acm.org/citation.cfm?id=275537.275705}
}

@ARTICLE{Robertson1976,
  author = {Robertson, S. E. and Jones, K. Sparck},
  title = {{Relevance Weighting of Search Terms}},
  journal = {J. Am. Soc. Inf. Sci.},
  year = {1976},
  volume = {27},
  pages = {129--146},
  number = {3},
  abstract = {{This paper examines statistical techniques for exploiting relevance
	information to weight search terms. These techniques are presented
	as a natural extension of weighting methods using information about
	the distribution of index terms in documents in general. A series
	of relevance weighting functions is derived and is justified by theoretical
	considerations. In particular, it is shown that specific weighted
	search methods are implied by a general probabilistic theory of retrieval.
	Different applications of relevance weighting are illustrated by
	experimental results for test collections.}},
  address = {School of Library, Archive and Information Studies University College
	London London WC1E 6BT, England; Computer Laboratory University of
	Cambridge Cambridge CB2 3QG, England},
  citeulike-article-id = {1839956},
  citeulike-linkout-0 = {http://dx.doi.org/10.1002/asi.4630270302},
  citeulike-linkout-1 = {http://www3.interscience.wiley.com/cgi-bin/abstract/114197810/ABSTRACT},
  doi = {10.1002/asi.4630270302},
  issn = {1097-4571},
  keywords = {model, probabalistic, retrieval},
  owner = {rbouadjenek},
  posted-at = {2009-04-14 02:00:48},
  publisher = {Wiley Subscription Services, Inc., A Wiley Company},
  timestamp = {2013.09.18},
  url = {http://dx.doi.org/10.1002/asi.4630270302}
}

@INPROCEEDINGS{Robertson1993,
  author = {Stephen E. Robertson and Steve Walker and Susan Jones and Micheline
	Hancock-Beaulieu and Mike Gatford},
  title = {Okapi at TREC-2},
  booktitle = {TREC},
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  pages = {21-34},
  bibsource = {DBLP, http://dblp.uni-trier.de},
  ee = {http://trec.nist.gov/pubs/trec2/papers/ps/city.ps}
}

@INCOLLECTION{Roda2009,
  author = {Roda, Giovanna and Tait, John and Piroi, Florina and Zenz, Veronika},
  title = {CLEF-IP 2009: Retrieval Experiments in the Intellectual Property
	Domain},
  booktitle = {Multilingual Information Access Evaluation I. Text Retrieval Experiments},
  publisher = {Springer},
  year = {2009},
  editor = {Peters, Carol and Nunzio, GiorgioMaria and Kurimo, Mikko and Mandl,
	Thomas and Mostefa, Djamel and Penas, Anselmo and Roda, Giovanna},
  volume = {6241},
  series = {Lecture Notes in Computer Science},
  pages = {385-409},
  doi = {10.1007/978-3-642-15754-7_47},
  isbn = {978-3-642-15753-0},
  url = {http://dx.doi.org/10.1007/978-3-642-15754-7_47}
}

@BOOK{Salton1971,
  title = {{The SMART Retrieval System: Experiments in Automatic Document Processing}},
  publisher = {Prentice-Hall, Inc.},
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  author = {Salton, G.},
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}

@ARTICLE{Salton1975,
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  acmid = {361220},
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  doi = {10.1145/361219.361220},
  issn = {0001-0782},
  issue_date = {Nov. 1975},
  keywords = {automatic indexing, automatic information retrieval, content analysis,
	document space},
  numpages = {8},
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}

@INPROCEEDINGS{Tang2012,
  author = {Tang, Jie and Wang, Bo and Yang, Yang and Hu, Po and Zhao, Yanting
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	Weichang and Usadi, Adam K.},
  title = {PatentMiner: topic-driven patent analysis and mining},
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	discovery and data mining},
  year = {2012},
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  pages = {1366--1374},
  address = {New York, NY, USA},
  publisher = {ACM},
  acmid = {2339741},
  doi = {10.1145/2339530.2339741},
  isbn = {978-1-4503-1462-6},
  keywords = {company ranking, competitor analysis, patent analysis, social network},
  location = {Beijing, China},
  numpages = {9},
  url = {http://doi.acm.org/10.1145/2339530.2339741}
}

@INPROCEEDINGS{Verma2011,
  author = {Verma, Manisha and Varma, Vasudeva},
  title = {Patent search using IPC classification vectors},
  booktitle = {PaIR},
  year = {2011},
  acmid = {2064980},
  doi = {10.1145/2064975.2064980},
  isbn = {978-1-4503-0955-4},
  keywords = {keyphrase extraction, patent retrieval},
  location = {Glasgow, Scotland, UK},
  numpages = {4},
  url = {http://doi.acm.org/10.1145/2064975.2064980}
}

@INPROCEEDINGS{Zhai2001,
  author = {Zhai, Chengxiang and Lafferty, John},
  title = {A study of smoothing methods for language models applied to Ad Hoc
	information retrieval},
  booktitle = {Proceedings of the 24th annual international ACM SIGIR conference
	on Research and development in information retrieval},
  year = {2001},
  series = {SIGIR '01},
  pages = {334--342},
  address = {New York, NY, USA},
  publisher = {ACM},
  acmid = {384019},
  doi = {10.1145/383952.384019},
  isbn = {1-58113-331-6},
  location = {New Orleans, Louisiana, USA},
  numpages = {9},
  url = {http://doi.acm.org/10.1145/383952.384019}
}

